component
SMBJ90A
Public Made by Adomby adom
FTR TVS, DO-214AA(SMB). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSMBJ90A
FTR · TVS · DO-214AA(SMB)
SMBJ90A from FTR, in a DO-214AA(SMB). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | FTR |
| Package | DO-214AA(SMB) |
| Category | Circuit Protection |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Peak pulse power dissipation at 10/1000us waveform | PPPM | 600 | W | 10/1000us waveform (Note 1, Fig.1); printed 'Minimum 600' | 1 | ||
| Steady state power dissipation | PM(AV) | 5 | W | at TL=75 C (Fig.4) | 1 | ||
| Peak forward surge current | IFSM | 100 | A | 8.3 ms single half sine-wave, JEDEC method (Note 2) | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | C | 1 | ||
| Typical thermal resistance junction to lead | RthetaJL | 20 | C/W | typical | 1 | ||
| Typical thermal resistance junction to ambient | RthetaJA | 100 | C/W | typical | 1 | ||
| Reverse stand-off voltage (unidirectional) | VRWM | 90 | V | 3 | |||
| Breakdown voltage | VBR | 100 | 111 | V | @IT = 1 mA | 3 | |
| Test current | IT | 1 | mA | test current for VBR | 3 | ||
| Maximum clamping voltage | VC | 146 | V | @IPP = 4.1 A | 3 | ||
| Peak pulse current | IPP | 4.1 | A | IPP column for the VC value above | 3 | ||
| Reverse leakage current | IR | 1 | uA | @VRWM | 3 |
CAD (KiCad official)
- Symbol:
SMBJ90A - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
smbj90a-etched.step/smbj90a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj90a.step/smbj90a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FTR datasheet (6 pp, sha256
0d5134e86f94d39e, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).